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| EP1S10 Datasheet, PDF (192/290 Pages) Altera Corporation – Stratix Device Family Data Sheet | |||
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Operating Conditions
Table 4â20. SSTL-2 Class I Specifications
Symbol
Parameter
Conditions Minimum Typical Maximum Unit
VCCIO
VTT
VREF
VIH(DC)
VIL(DC)
VIH(AC)
VIL(AC)
VOH
VOL
Output supply voltage
2.375
2.5
2.625
V
Termination voltage
Reference voltage
VREF â 0.04
VREF
VREF + 0.04
V
1.15
1.25
1.35
V
High-level DC input voltage
Low-level DC input voltage
High-level AC input voltage
Low-level AC input voltage
High-level output voltage IOH = â8.1 mA
(3)
VREF + 0.18
â0.3
VREF + 0.35
VTT + 0.57
3.0
V
VREF â 0.18
V
V
VREF â 0.35
V
V
Low-level output voltage IOL = 8.1 mA (3)
VTT â 0.57
V
Table 4â21. SSTL-2 Class II Specifications
Symbol
Parameter
Conditions Minimum Typical Maximum Unit
VCCIO
VTT
VREF
VIH(DC)
VIL(DC)
VIH(AC)
VIL(AC)
VOH
VOL
Output supply voltage
2.375
2.5
2.625
V
Termination voltage
Reference voltage
VREF â 0.04
VREF
VREF + 0.04
V
1.15
1.25
1.35
V
High-level DC input voltage
Low-level DC input voltage
High-level AC input voltage
Low-level AC input voltage
High-level output voltage IOH = â16.4 mA
(3)
VREF + 0.18
â0.3
VREF + 0.35
VTT + 0.76
VCCIO + 0.3
V
VREF â 0.18
V
V
VREF â 0.35
V
V
Low-level output voltage IOL = 16.4 mA (3)
VTT â 0.76
V
Table 4â22. SSTL-3 Class I Specifications (Part 1 of 2)
Symbol
VCCIO
VTT
VREF
VIH(DC)
VIL(DC)
VIH(AC)
Parameter
Output supply voltage
Termination voltage
Reference voltage
High-level DC input voltage
Low-level DC input voltage
High-level AC input voltage
Conditions
Minimum Typical Maximum Unit
3.0
3.3
3.6
V
VREF â 0.05
VREF
VREF + 0.05
V
1.3
1.5
1.7
V
VREF + 0.2
â0.3
VREF + 0.4
VCCIO + 0.3
V
VREF â 0.2
V
V
4â12
Stratix Device Handbook, Volume 1
Altera Corporation
July 2005
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